Lenses

Orthokeratology, sometimes known as “Ortho-K,” is the use of specially made lenses worn at night to improve vision. This is comparable to using a retainer after getting braces. Gas permeable (GP) contact lenses with a particularly crafted design are used in Orthokeratology to reshape the cornea of the eye. People who are near-sighted, farsighted, astigmatic, … Read more

The reverse geometry of the lens’s shape is what makes the procedure function.  A negative pressure gradient is produced, which causes movement beneath the lens to travel towards the mid peripheral areas because the central zone of the lens is significantly flatter than the mid periphery (return zone) of the contact lens. Another common myth … Read more